80631679346 has 8 divisors (see below), whose sum is σ = 121574190684. Its totient is φ = 40106949120.

The previous prime is 80631679313. The next prime is 80631679361. The reversal of 80631679346 is 64397613608.

It can be written as a sum of positive squares in 2 ways, for example, as 64420023721 + 16211655625 = 253811^2 + 127325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104444795 + ... + 104445566.

Almost surely, 2^80631679346 is an apocalyptic number.

80631679346 is a deficient number, since it is larger than the sum of its proper divisors (40942511338).

80631679346 is a wasteful number, since it uses less digits than its factorization.

80631679346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208890556.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 80631679346 in words is "eighty billion, six hundred thirty-one million, six hundred seventy-nine thousand, three hundred forty-six".